2994208022921 has 2 divisors, whose sum is σ = 2994208022922. Its totient is φ = 2994208022920.

The previous prime is 2994208022881. The next prime is 2994208022933. The reversal of 2994208022921 is 1292208024992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2811909765625 + 182298257296 = 1676875^2 + 426964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2994208022921 - 2²² = 2994203828617 is a prime.

It is a super-2 number, since 2×2994208022921² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2994208022921.

It is not a weakly prime, because it can be changed into another prime (2994208822921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1497104011460 + 1497104011461.

It is an arithmetic number, because the mean of its divisors is an integer number (1497104011461).

Almost surely, 2^{2994208022921} is an apocalyptic number.

It is an amenable number.

2994208022921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2994208022921 is an equidigital number, since it uses as much as digits as its factorization.

2994208022921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 2994208022921 in words is "two trillion, nine hundred ninety-four billion, two hundred eight million, twenty-two thousand, nine hundred twenty-one".